NSE7 Advanced Networking and SD-WAN Practice Question
Which load balancing algorithm in SD-WAN sends new sessions to the member interface with the least number of active sessions?
⚠ Common exam trap
It's easy for candidates to confuse 'Sessions' with 'Volume' because both involve load distribution, but Sessions focuses on connection count while Volume focuses on data throughput, and Fortinet explicitly tests this distinction in the SD-WAN configuration context.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Sessions
The Sessions algorithm in Fortinet SD-WAN selects the member interface with the fewest active sessions when a new session is initiated. This is the default load-balancing method and ensures even distribution of session counts across WAN links, preventing any single interface from becoming overloaded with connections.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Sessions
Why this is correct
Sessions algorithm sends to the interface with the fewest active sessions.
- ✗
Volume
Why it's wrong here
Volume balances by traffic volume.
- ✗
Spillover
Why it's wrong here
Spillover sends traffic to the next member when the first reaches a threshold.
- ✗
Source-dest IP
Why it's wrong here
Source-dest IP hashes source and destination IPs.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This NSE7 practice question is part of Courseiva's free Fortinet certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the NSE7 exam.